| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef TaskTypeTraits_h |
| #define TaskTypeTraits_h |
| |
| #include "platform/wtf/Allocator.h" |
| #include "platform/wtf/HashTraits.h" |
| #include "public/platform/TaskType.h" |
| |
| namespace blink { |
| |
| // HashTraits for TaskType. |
| struct TaskTypeTraits : WTF::GenericHashTraits<TaskType> { |
| static const bool kEmptyValueIsZero = false; |
| static TaskType EmptyValue() { return static_cast<TaskType>(-1); } |
| static void ConstructDeletedValue(TaskType& slot, bool) { |
| slot = static_cast<TaskType>(-2); |
| } |
| static bool IsDeletedValue(TaskType value) { |
| return value == static_cast<TaskType>(-2); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif |
